SOURCE

console 命令行工具 X clear

                    
>
console
<svg width="320" height="320" xmlns="http://www.w3.org/2000/svg">
  <symbol id="path">
     <path  class="path1" stroke="#00adef" fill="none" d="M281.221,261.806c0,2.756-2.166,4.922-4.922,4.922l0,0h-33.964c-11.715-24.119-31.503-59.855-47.156-68.026
  c-15.751,7.974-35.637,43.907-47.451,68.026h-33.865l0,0c-2.756,0-4.922-2.166-4.922-4.922l0,0l0,0c0-0.295,0-0.689,0.098-0.984
  c0,0,14.078-69.109,79.15-129.161c-2.953-2.56-5.907-5.119-8.959-7.58c-1.87-1.575-2.166-4.233-0.591-6.104
  c1.575-1.772,4.43-2.166,6.497-0.689c3.347,2.461,6.694,5.218,9.746,8.073c3.15-2.953,6.497-5.71,10.041-8.368
  c2.067-1.378,4.922-1.083,6.497,0.689c1.575,1.87,1.28,4.529-0.591,6.104c-3.052,2.56-6.104,5.218-9.155,7.876
  c65.27,59.953,79.446,129.161,79.446,129.161C281.221,261.117,281.221,261.412,281.221,261.806L281.221,261.806L281.221,261.806z"/>
    <path  class="path2" stroke="#00adef" fill="none"  d="M194.589,212.583h0.984l0,0c19.886,28.451,31.503,54.145,31.503,54.145h-63.99C163.086,266.728,174.703,241.034,194.589,212.583
L194.589,212.583z"/>
  </symbol>
  <use id="path1" xlink:href="#path"></use>
</svg>
#path1{
  stroke-dasharray:100% 0%;

  animation:move1 3s linear infinite;
}
 @keyframes move1{
   0%{
      stroke-dasharray:7% 200%;
   }
   100%{
     stroke-dasharray:100% 0%;
   }
}